Date: Mon, 10 Feb 2003 07:13:21 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@FreeBSD.ORG Subject: Re: MSDOSFS wastes 256k when nothing is mounted! Message-ID: <20030210070457.E2848-100000@gamplex.bde.org> In-Reply-To: <31456.1044819599@critter.freebsd.dk>
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On Sun, 9 Feb 2003, Poul-Henning Kamp wrote:
> I don't have any msdos filesystems mounted, yet:
>
> kern.malloc:
> Type InUse MemUse HighUse Requests Size(s)
> [...]
> MSDOSFS mount 1 256K 256K 1
> [...]
>
> due to this:
>
> /*ARGSUSED*/
> int
> msdosfs_init(vfsp)
> struct vfsconf *vfsp;
> {
> dehashtbl = hashinit(desiredvnodes/2, M_MSDOSFSMNT, &dehash);
> mtx_init(&dehash_mtx, "msdosfs dehash", NULL, MTX_DEF);
> return (0);
> }
>
> Somebody: please fix so this doesn't suck.
msdosfs just cloned the bad example set by ufs:
%%%
int
ufs_init(vfsp)
struct vfsconf *vfsp;
{
ufs_ihashinit();
#ifdef QUOTA
dqinit();
#endif
#ifdef UFS_DIRHASH
ufsdirhash_init();
#endif
return (0);
}
void
ufs_ihashinit()
{
ihashtbl = hashinit(desiredvnodes, M_UFSIHASH, &ihash);
mtx_init(&ufs_ihash_mtx, "ufs ihash", NULL, MTX_DEF);
}
%%%
Bruce
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